Plot-wise, Square Enix explains, "One day, a giant crystal appeared in the skies above Jeuno, triggering a series of unexplained happenings across the land. Now, adventurers will set forth to unravel the mysteries of this primordial crystal that holds the secret of Vana'diel's past."

A Crystalline Prophecy - Ode of Life Blessing is the first of three packs, helmed by Final Fantasy XI designer Masato Kato. Kato also created the first FFXI expansion pack Rise of the Zilart as well designing Chrono Trigger and Xenogears.

A Crystalline Prophecy - Ode of Life Blessing is available from March 23, 2009 for US$9.99 via PlayOnline Viewer. Players who purchase the expansion scenario will not have access until the upcoming April update. Two addition add-ons have also been announced: A Moogle Kupo d'Etat — Evil in Small Doses and A Shantotto Ascension — The Legend Torn, Her Empire Born. Both of these will be released later this year.